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: Maintaining compatibility for a shrinking user base slows down the development cycle for the vast majority of active Android users. How to Download WhatsApp for Android 5.1.1
Yes. End-to-end encryption works independently of your OS version. However, your phone’s overall security (against malware) is weaker because Android 5.1.1 no longer receives system security patches. Keep WhatsApp updated.
You will need Android 6.0 or higher to use WhatsApp. 📋 What You Should Do Right Now
